'Permanent wilting point' presentation slideshows

1.51k views • 134 slides

Layout

Layout. Introduction General remarks Model development and validation The surface energy budget The surface water budget The surface CO2 budget Soil heat transfer Soil water transfer Snow Initial conditions Conclusions and a look ahead. Hillel 1982, 1998. Soil science miscellany (1).

665 views • 48 slides

Soil Water Potential Measurement

Soil Water Potential Measurement. Doug Cobos, Ph.D. Decagon Devices and Washington State University. Water content and Quantity Extent Related Measures heat content and charge and. Water potential Quality Intensity temperature voltage.

1.7k views • 45 slides

Introduction to Irrigation Design

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Introduction to Irrigation Design

471 views • 40 slides

Roots and Soils

Roots and Soils. Chapter 5. Outline. Function of Roots Root Development Root Structure Specialized Roots Mycorrhizae Root Nodules Human Relevance of Roots Soils. Function of Roots. Anchor plants into soil Absorption of water and minerals Store food or water

1.26k views • 34 slides

The Living Soil

The Living Soil. A Soil Aggregate: " ped ". How Do We Improve Soil Structure?. By Applying an Aggregation of Knowledge. Aggregates. Macropores. Micropores are within the Aggregates. Aggregated Soil:. SOIL WITH STRUCTURE!. Aggregated Soil. No-Till for 43 years.

442 views • 23 slides

Nitrogen Source Issues

Nitrogen Source Issues. Dale Leikam Kansas State University Manhattan, KS. World Natural Gas Costs. 2005F - $US/MMBtu. Canada $8.30. Russia $1.10. Ukraine $1.70. W. Europe $5.80. US $9.00. North Africa $0.75. Indonesia $2.00. Trinidad $2.50. Venezuela $0.80. Middle East

308 views • 20 slides

Please answer the question correctly: Why is the water important for planting

Please answer the question correctly: Why is the water important for planting Why the water is very reactive and can be a good solvent Describe the molecule of water that shows hydrogen bond 4. Mentioned some kinds of factors that determine the existence of water resources .

251 views • 14 slides

Soils

Soils. Soil is formed through the interaction of climate, parent material, topography, vegetation, living organisms and time. Solid portion of soil consists of minerals and organic matter. Pore spaces between solid particles filled with air or water. Soils. Soils divided into horizons :

355 views • 11 slides